J9209 HCPCS code: Injection, mesna, 200 mg
J9209 is the HCPCS Level II code for injection, mesna, 200 mg. In 2024 Medicare paid an average of $1.28 per service for J9209 across 7,234 services. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 55 per day on outpatient hospital claims. Medicare volume fell 36% from 2022 to 2024 (11,315 to 7,234 services). In 2024, about 219 clinicians billed Medicare for J9209 for 104 beneficiaries.
Code details
| Field | Value |
|---|---|
| Section | J codes — Drugs administered other than oral method |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 51 — Drug or biological (priced per ASP/average sales price rules) |
| BETOS category | O1D — Chemotherapy |
| Added | 1990-01-01 |
| Last action effective | 2009-01-01 |
Who bills J9209 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 219 |
| Medicare beneficiaries | 104 |
| States with claims | 2 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for J9209, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 11,315 | 142 | $1.68 | $1.34 |
| 2023 | 9,074 | 133 | $1.63 | $1.30 |
| 2024 | 7,234 | 104 | $1.61 | $1.28 |
States with the most J9209 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Texas | 1,590 | $1.28 |
| California | 1,118 | $1.34 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 55 | Clinical: Data |
| practitioner claims | 55 | Clinical: Data |
What changed for J9209
- 1990-01-01: J9209 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code J9209?
J9209 is the HCPCS Level II code for injection, mesna, 200 mg. Short descriptor: "Mesna injection".
How much does Medicare pay for J9209?
In 2024, the average Medicare payment was $1.28 per service (average allowed $1.61).
Does Medicare cover J9209?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
How many units of J9209 can be billed per day?
55 on outpatient hospital claims; 55 on practitioner claims (NCCI medically unlikely edits).
Related J92 codes
- J9200 — Injection, floxuridine, 500 mg
- J9201 — Injection, gemcitabine hydrochloride, not otherwise specified, 200 mg
- J9202 — Goserelin acetate implant, per 3.6 mg
- J9203 — Injection, gemtuzumab ozogamicin, 0.1 mg
- J9204 — Injection, mogamulizumab-kpkc, 1 mg
- J9205 — Injection, irinotecan liposome, 1 mg
- J9206 — Injection, irinotecan, 20 mg
- J9207 — Injection, ixabepilone, 1 mg
- J9208 — Injection, ifosfamide, 1 gram
- J9210 — Injection, emapalumab-lzsg, 1 mg
- J9211 — Injection, idarubicin hydrochloride, 5 mg
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Next steps
- Run a reimbursement report for a device billed under J9209
- Watch J9209 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J9209
Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.